var Currency = require("currency4")
    ,CNY = 0.17;

var currency = new Currency(CNY);
console.log("CNY to USD exchange rate is : 0.17");
console.log("￥50 equals this amount of US Dollars:");
console.log("$" + currency.CNYToUSD(50));

console.log("$3.6 equals this amount of CNY Yuan:");
console.log("￥" + currency.USDToCNY(3.6));